// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Collections.Generic;
using Xunit;

namespace System.CodeDom.Tests
{
    public class CodeAttributeArgumentTests : CodeDomTestBase
    {
        [Fact]
        public void Ctor_Default()
        {
            var argument = new CodeAttributeArgument();
            Assert.Empty(argument.Name);
            Assert.Null(argument.Value);
        }

        public static IEnumerable<object[]> Ctor_TestData()
        {
            yield return new object[] { null, null };
            yield return new object[] { "", new CodePrimitiveExpression("Value1") };
            yield return new object[] { "Value1", new CodePrimitiveExpression("Value1") };
        }

        [Theory]
        [MemberData(nameof(Ctor_TestData))]
        public void Ctor(string name, CodeExpression value)
        {
            if (string.IsNullOrEmpty(name))
            {
                var argument1 = new CodeAttributeArgument(value);
                Assert.Empty(argument1.Name);
                Assert.Equal(value, argument1.Value);
            }
            var argument2 = new CodeAttributeArgument(name, value);
            Assert.Equal(name ?? string.Empty, argument2.Name);
            Assert.Equal(value, argument2.Value);
        }

        [Theory]
        [InlineData(null)]
        [InlineData("")]
        [InlineData("Name")]
        public void Name_Set_Get_ReturnsExpected(string? value)
        {
            var argument = new CodeAttributeArgument();
            argument.Name = value;
            Assert.Equal(value ?? string.Empty, argument.Name);
        }

        [Theory]
        [MemberData(nameof(CodeExpression_TestData))]
        public void Value_Set_Get_ReturnsExpected(CodeExpression value)
        {
            var argument = new CodeAttributeArgument();
            argument.Value = value;
            Assert.Equal(value, argument.Value);
        }
    }
}
